package ch02;

import java.util.Scanner;
	public class Example2_3 {
		public static void main (String args[]){
		System.out.println("请输入若干个数，"+
		"每输入一个数回车确认");
		System.out.println("最后输入数字0结束输入操作。");
		Scanner reader = new Scanner(System.in);
		double sum = 0;
		double x = reader.nextDouble();
		while(x!=0){
			sum = sum+x;
			System.out.println("目前的sum"+sum);
			x = reader.nextDouble();
		}
		System.out.println("sum="+sum);
	}
}

